Removed notions of default and bad values and all special value names (e.g. _bad).

This commit is contained in:
Anton Bachin 2015-04-25 12:15:00 -04:00
parent 91e5cb945c
commit 6aa19e9b4a
2 changed files with 28 additions and 525 deletions

14
Enum.h
View File

@ -30,8 +30,6 @@
public: \
using Enum = _Value; \
\
static constexpr _Value bad = (_Value)_values[_badIndex]; \
static constexpr _Value def = (_Value)_values[_defIndex]; \
static constexpr _Value min = (_Value)_values[_minIndex]; \
static constexpr _Value max = (_Value)_values[_maxIndex]; \
\
@ -39,28 +37,17 @@
\
static constexpr size_t size() { return _size; } \
\
static constexpr _Value MaxValid = max; \
static constexpr _Value MinValid = min; \
\
static ValueIterable values() { return _Super::values(); } \
static ValueIterable allValues() { return _Super::allValues(); } \
static NameIterable names() { return _Super::names(); } \
static NameIterable allNames() { return _Super::allNames(); } \
\
const char* desc() const { return desc(*this); } \
const char* descE() const { return descE(*this); } \
\
static const char* desc(EnumType value) { return _Super::desc(value); }\
static const char* descE(EnumType value) \
{ return _Super::descE(value); } \
\
static EnumType find(const char *name) { return _Super::find(name); } \
static EnumType findE(const char *name) { return _Super::findE(name); }\
\
static EnumType caseFind(const char *name) \
{ return _Super::caseFind(name); } \
static EnumType caseFindE(const char *name) \
{ return _Super::caseFindE(name); } \
\
bool valid() const { return valid(this->toUnderlying()); }; \
\
@ -70,7 +57,6 @@
static bool caseValid(const char *name) \
{ return _Super::caseValid(name); } \
\
EnumType() : _value(def) { } \
EnumType(_Value value) : _value(value) { } \
template <typename IntegralType> \
explicit EnumType(IntegralType value, \

View File

@ -373,335 +373,6 @@ constexpr bool _namesMatch(const char *stringizedName,
/// Represents invalid indices into the enum names and values arrays.
#define _ENUM_NOT_FOUND ((size_t)-1)
/// Functions and types used to search for the indices of special names (such as
/// `_bad`.) The main purpose of this namespace is to shorten the identifiers
/// used in the implementation of the search function.
namespace _special_names {
/// Name of the special constant for declaring the invalid value.
#define _ENUM_BAD "_bad"
/// Name of the special constant for declaring the default value.
#define _ENUM_DEF "_def"
/// Name of the special constant for declaring the minimum value.
#define _ENUM_MIN "_min"
/// Name of the special constant for declaring the maximum value.
#define _ENUM_MAX "_max"
#define _ENUM_SPECIAL_COUNT 4
/// Data returned by the `_enum::_special_names::_find` function. `_find`
/// returns the index into the names array at which each one of `_bad`, `_def`,
/// `_min`, and `_max` was found, or `_ENUM_NOT_FOUND` for each special name
/// that wasn't found. It also returns the number of times each special name was
/// found. During one run of `_find` on a correct enum declaration, an
/// `_Indices` object is created at most five times. The last `_Indices` object
/// is returned to the caller by copy.
class _Indices {
public:
/// Last found indices for each of the special constants.
size_t bad, def, min, max;
/// Number of times each special constant was seen.
int numberBad, numberDef, numberMin, numberMax;
/// Creates the initial `_Indices` object, when no special names have been
/// found.
constexpr _Indices() :
bad(_ENUM_NOT_FOUND), def(_ENUM_NOT_FOUND),
min(_ENUM_NOT_FOUND), max(_ENUM_NOT_FOUND),
numberBad(0), numberDef(0), numberMin(0), numberMax(0) { }
private:
/// Constructor used internally by the `foundXYZ` methods, each called when
/// one of the special names is encountered. Sets the fields of the
/// `_Indices` object.
constexpr _Indices(size_t _bad, size_t _def, size_t _min, size_t _max,
int _numberBad, int _numberDef,
int _numberMin, int _numberMax) :
bad(_bad), def(_def), min(_min), max(_max),
numberBad(_numberBad), numberDef(_numberDef),
numberMin(_numberMin), numberMax(_numberMax) { }
public:
/// Called by `_find` when `_bad` is found. Sets the index of the last match
/// for `_bad` to the given index, and increments the number of times `_bad`
/// has been found. Returns a new `_Indices` object reflecting this change.
/// @param index Index at which `_bad` was found in the names array.
/// @return The new `_Indices` object.
constexpr const _Indices foundBad(size_t index) const
{ return _Indices(index, def, min, max,
numberBad + 1, numberDef, numberMin, numberMax); }
/// Called by `_find` when `_def` is found.
/// @see `foundBad`
constexpr const _Indices foundDef(size_t index) const
{ return _Indices(bad, index, min, max,
numberBad, numberDef + 1, numberMin, numberMax); }
/// Called by `_find` when `_min` is found.
/// @see `foundBad`
constexpr const _Indices foundMin(size_t index) const
{ return _Indices(bad, def, index, max,
numberBad, numberDef, numberMin + 1, numberMax); }
/// Called by `_find` when `_max` is found.
/// @see `foundBad`
constexpr const _Indices foundMax(size_t index) const
{ return _Indices(bad, def, min, index,
numberBad, numberDef, numberMin, numberMax + 1); }
};
/// Compile-time function that returns the indices of constants named `_bad`,
/// `_def`, `_min`, and `_max`, if they are present, and the number of times
/// each index was found. The search is done back-to-front, so that future
/// versions of this function can take advantage of the likelihood that all the
/// special names are found at the end of the enum declaration, and terminate
/// early.
///
/// Call as `_find(names, array_size - 1)`.
///
/// @param names Enum constant names array.
/// @param index Current index into the names array.
/// @param indices Current search results.
/// @return An `_Indices` object representing the search results.
constexpr _Indices _find(const char * const *names, size_t index,
const _Indices &indices = _Indices())
{
return
// If the index has been advanced (backward) to past the beginning of
// the array, return the current search results by copy.
index == (size_t)-1 ? indices :
// The index is valid. As an optimization, check if the current name
// begins with an underscore. If not, immediately go on to the next
// index (in a backwards direction).
names[index][0] != '_' ?
_find(names, index - 1, indices) :
// The index is valid and the name begins with an underscore. Compare
// the entire name with each of the potential special names. If there is
// a match, continue at next index with an updated _Indices object.
// Otherwise, try the next special name.
_namesMatch(names[index], _ENUM_BAD) ?
_find(names, index - 1, indices.foundBad(index)) :
_namesMatch(names[index], _ENUM_DEF) ?
_find(names, index - 1, indices.foundDef(index)) :
_namesMatch(names[index], _ENUM_MIN) ?
_find(names, index - 1, indices.foundMin(index)) :
_namesMatch(names[index], _ENUM_MAX) ?
_find(names, index - 1, indices.foundMax(index)) :
// If the name did not match any of the special names, continue at the
// next index into the names array (in a backwards direction) with the
// current indices object unchanged.
_find(names, index - 1, indices);
}
}
/// Compile-time function that determines whether a given index is one of the
/// indices in `specialIndices`. After the enum generator finds the special
/// names using `_enum::_special_names::_find`, it puts the four indices into an
/// array of length 4. Indices for special names that weren't found are set to
/// `_ENUM_NOT_FOUND`. Other functions, that run later, need to know whether
/// they are dealing with one of these special indices or not. This function
/// exists for that purpose.
///
/// Call as `_isSpecial(specialIndices, specialIndexCount, someIndex)`.
///
/// @param specialIndices Array of special indices.
/// @param specialIndexCount Number of special indices.
/// @param candidate A candidate index.
/// @param index Current index into `specialIndices`.
constexpr bool _isSpecial(const size_t *specialIndices,
size_t specialIndexCount, size_t candidate,
size_t index = 0)
{
return
// If the index into specialIndices is equal to the number of such
// special indices, then the candidate index was not found, so return
// false.
index == specialIndexCount ? false :
// index is less than the count of special indices. If the candidate is
// equal to the current special index, return true.
candidate == specialIndices[index] ? true :
// Otherwise, continue to the next special index.
_isSpecial(specialIndices, specialIndexCount, candidate, index + 1);
}
/// Compile-time function that determines whether the value at one index is also
/// present at another index in the enum values array by searching forward.
/// Special constants such as `_bad` must be set to the value of another,
/// non-special constant that is also declared in the enum type. This function
/// and `_resolveReverse` check for this requirement by finding another index
/// with the same value as the given index. `_resolveForward` is used for values
/// that are likely to be found near the beginning of the enum declaration:
/// `_min` and `_def`.
///
/// Call as `_resolveForward(values, count, special, specialCount, value)`.
///
/// @tparam UnderlyingType Type of elements in the values array.
/// @param values Enum values array.
/// @param valueCount Number of elements in `values`.
/// @param specialIndices Special indices array. See `_isSpecial`. This array is
/// used to reject values that are found at special indices - the value
/// being resolved must be found at a non-special index.
/// @param specialIndexCount Number of elements in `specialIndices`.
/// @param specialValue Value to be resolved.
/// @param index Current index into the `values` array.
/// @return The non-special index at which `specialValue` is found, or
/// `_ENUM_NOT_FOUND` if it is not found at all.
template <typename UnderlyingType>
constexpr size_t _resolveForward(const UnderlyingType *values,
size_t valueCount,
const size_t *specialIndices,
size_t specialIndexCount,
UnderlyingType specialValue, size_t index = 0)
{
return
// If iteration has reached the end of the values array, then the value
// has not been found.
index == valueCount ? _ENUM_NOT_FOUND :
// index still points into the array. If the value at the index is equal
// to the special value, and this is not a special index, then return
// the index.
values[index] == specialValue &&
!_isSpecial(specialIndices, specialIndexCount, index)
? index :
// Otherwise, continue at the next index into the values array.
_resolveForward(values, valueCount, specialIndices, specialIndexCount,
specialValue, index + 1);
}
/// Compile-time function that resolves special values in a backwards direction.
///
/// Call as `_resolveReverse(values, count, special, specialCount, value,
/// count - 1)`.
///
/// @see `_resolveForward`
template <typename UnderlyingType>
constexpr size_t _resolveReverse(const UnderlyingType *values,
const size_t *specialIndices,
size_t specialIndexCount,
UnderlyingType specialValue, size_t index)
{
return
// The index is assumed to be valid upon entry into this function.
// Immediately perform the same check as in _resolveForward.
values[index] == specialValue &&
!_isSpecial(specialIndices, specialIndexCount, index)
? index :
// If the value was not found at the current index, then, if the current
// index is zero, the value is not present in values.
index == 0 ? _ENUM_NOT_FOUND :
// Otherwise, continue at the next (in a backwards direction) index into
// the values array.
_resolveReverse(values, specialIndices, specialIndexCount,
specialValue, index - 1);
}
/// Compile-time function that returns the highest index lower than the initial
/// value of `index` that is not a special index. Used to find the bad value if
/// it is not explicitly given by supplying the `_bad` constant.
///
/// Call as `_highestRegular(special, specialCount, valueCount - 1)`.
///
/// @param specialIndices Array of special indices (indices of `_bad`, etc.)
/// @param specialIndexCount Number of elements in `specialIndices`.
/// @param index Current candidate index. This starts at the number of enum
/// constants, minus one, and decreases until an index that is not in
/// `specialIndices` is found.
constexpr size_t _highestRegular(const size_t *specialIndices,
size_t specialIndexCount, size_t index)
{
return
// The current index is assumed to be valid. If it's not a special
// index, return it.
!_isSpecial(specialIndices,
specialIndexCount, index) ? index :
// If it's a special index and is zero, there are no lower non-special
// indices - return _ENUM_NOT_FOUND.
index == 0 ? _ENUM_NOT_FOUND :
// Otherwise, continue the search at the next-lowest index. This cannot
// happen more than four times because there are at most four special
// indices.
_highestRegular(specialIndices, specialIndexCount, index - 1);
}
/// Compile-time function that finds the lowest index that is not a special
/// index, and is not the index of the bad value. The bad value is the one that
/// is either set by `_bad`, or, if `_bad` is not given, it is the last regular
/// (non-special) value declared in the enum type.
///
/// Call as `_lowestValid(values, count, special, specialCount, badValue)`.
///
/// @tparam UnderlyingType Type of elements in the values array.
/// @param values Values array.
/// @param valueCount Number of elements in the values array.
/// @param specialIndices Special index array.
/// @param specialIndexCount Number of elements in `specialIndices`.
/// @param badValue The bad value.
/// @param index Current index into `values`.
template <typename UnderlyingType>
constexpr size_t _lowestValid(const UnderlyingType *values, size_t valueCount,
const size_t *specialIndices,
size_t specialIndexCount, UnderlyingType badValue,
size_t index = 0)
{
return
// If the values array has been exhausted without finding a valid index,
// return _ENUM_NOT_FOUND.
index == valueCount ? _ENUM_NOT_FOUND :
// The values array has not been exhausted. If the current index is not
// special, and the value at the index is not the bad value, return the
// index.
!_isSpecial(specialIndices, specialIndexCount, index) &&
values[index] != badValue ? index :
// Otherwise, continue at the next index in the values array.
_lowestValid(values, valueCount, specialIndices, specialIndexCount,
badValue, index + 1);
}
/// Compile-time function that finds the highest index that is not a special
/// index, and is not the index of the bad value.
///
/// Call as `_highestValid(values, special, specialCount, badValue,
/// valueCount - 1)`.
///
/// @see `_lowestValid`
template <typename UnderlyingType>
constexpr size_t _highestValid(const UnderlyingType *values,
const size_t *specialIndices,
size_t specialIndexCount,
UnderlyingType badValue, size_t index)
{
return
// The index is assumed to be in range upon entry into this function. If
// it's not a special index, nor is the value at the index equal to the
// bad value, return the index.
!_isSpecial(specialIndices, specialIndexCount, index) &&
values[index] != badValue ? index :
// Otherwise, if the index has reached zero, a valid index will not be
// found.
index == 0 ? _ENUM_NOT_FOUND :
// The index is not valid and greater than zero - continue at the next
// (decreasing) index into the values array.
_highestValid(values, specialIndices, specialIndexCount, badValue,
index - 1);
}
/// Functions and types used to compute range properties such as the minimum and
/// maximum declared enum values, and the total number of valid enum values.
namespace _range {
@ -740,22 +411,12 @@ class _MinMax {
/// @param bestMax Index of the highest valid value found so far.
template <typename UnderlyingType>
constexpr _MinMax _minMax(const UnderlyingType *values, size_t valueCount,
const size_t *specialIndices,
size_t specialIndexCount, UnderlyingType badValue,
size_t index, size_t bestMin, size_t bestMax)
{
return
// If the current index is at the end of the array, return the pair of
// the best found minimum and maximum.
index == valueCount ? _MinMax(bestMin, bestMax) :
// If the current is index is special (is _bad, _def, _min, or _max), or
// if the value at the current index is equal to the bad value, then
// skip the current index - go on to the next one without updating the
// min or max.
_isSpecial(specialIndices, specialIndexCount, index) ||
values[index] == badValue ?
_minMax(values, valueCount, specialIndices, specialIndexCount,
badValue, index + 1, bestMin, bestMax) :
// If the current value is higher than the best max so far, continue at
// the next index with the best max index updated to the current index.
// Note that it is not necessary to also check if the current value is
@ -763,17 +424,16 @@ constexpr _MinMax _minMax(const UnderlyingType *values, size_t valueCount,
// the min can never go above the max after that. This is an
// optimization that saves a nontrivial amount of time.
values[index] > values[bestMax] ?
_minMax(values, valueCount, specialIndices, specialIndexCount,
badValue, index + 1, bestMin, index) :
_minMax(values, valueCount, index + 1, bestMin, index) :
// Otherwise, if the current value is not higher than the min, continue
// at the next index. If the current value is less than the best min so
// far, then do update the best min for the recursive call.
_minMax(values, valueCount, specialIndices, specialIndexCount,
badValue, index + 1,
_minMax(values, valueCount, index + 1,
values[index] < values[bestMin] ? index : bestMin,
bestMax);
}
// TODO This can probably now be replaced with a sizeof on the array.
/// Compile-time function that finds the "size" of the enum names and values
/// arrays. The size is the number of constants that would be returned when
/// iterating over the enum. Constants are returned when they are not special
@ -795,27 +455,15 @@ constexpr _MinMax _minMax(const UnderlyingType *values, size_t valueCount,
/// @param accumulator Number of valid constants found so far.
template <typename UnderlyingType>
constexpr size_t _size(const UnderlyingType *values, size_t valueCount,
const size_t *specialIndices, size_t specialIndexCount,
UnderlyingType badValue, UnderlyingType min,
UnderlyingType max, size_t index = 0,
size_t accumulator = 0)
size_t index = 0, size_t accumulator = 0)
{
return
// If the index has reached the end of values, return the number of
// valid constants found.
index == valueCount ? accumulator :
// If the current index is special, or the value is bad, or the value is
// below the min or above the max, continue scanning at the next index
// without changing the accumulator.
_isSpecial(specialIndices, specialIndexCount, index) ||
values[index] == badValue || values[index] < min ||
values[index] > max ?
_size(values, valueCount, specialIndices, specialIndexCount,
badValue, min, max, index + 1, accumulator) :
// If the current index is none of the above, continue at the next index
// and increment the accumulator to account for the current value.
_size(values, valueCount, specialIndices, specialIndexCount,
badValue, min, max, index + 1, accumulator + 1);
_size(values, valueCount, index + 1, accumulator + 1);
}
} // namespace _range
@ -832,23 +480,7 @@ constexpr size_t _size(const UnderlyingType *values, size_t valueCount,
// TODO static asserts about the underlying type being an integral type. Allow
// only the types supported by C++11 enum class.
#define _ENUM_CONSTANT_RESOLVES_FORWARD(EnumType, ConstantIndex, ConstantName) \
static_assert(ConstantIndex == _ENUM_NOT_FOUND || \
_enum::_resolveForward(_values, _rawSize, _specialIndices, \
_ENUM_SPECIAL_COUNT, \
_values[ConstantIndex]) \
!= _ENUM_NOT_FOUND, \
"special constant " ConstantName " must be equal to another "\
"constant");
#define _ENUM_CONSTANT_RESOLVES_REVERSE(EnumType, ConstantIndex, ConstantName) \
static_assert(ConstantIndex == _ENUM_NOT_FOUND || \
_enum::_resolveReverse(_values, _specialIndices, \
_ENUM_SPECIAL_COUNT, \
_values[ConstantIndex], _rawSize - 1) \
!= _ENUM_NOT_FOUND, \
"special constant " ConstantName " must be equal to another "\
"constant");
namespace _enum {
@ -952,100 +584,17 @@ class _Internal : public _GeneratedArrays<EnumType> {
protected:
static_assert(_rawSize > 0, "no constants defined in enum type");
static constexpr _enum::_special_names::_Indices
_indices =
_enum::_special_names::_find(_names, _rawSize - 1);
static constexpr size_t _specialIndices[] =
{ _indices.bad, _indices.def, _indices.min, _indices.max };
_ENUM_CONSTANT_RESOLVES_REVERSE(EnumType, _indices.bad, _ENUM_BAD);
_ENUM_CONSTANT_RESOLVES_FORWARD(EnumType, _indices.def, _ENUM_DEF);
_ENUM_CONSTANT_RESOLVES_FORWARD(EnumType, _indices.min, _ENUM_MIN);
_ENUM_CONSTANT_RESOLVES_REVERSE(EnumType, _indices.max, _ENUM_MAX);
static constexpr size_t _badIndex =
_indices.bad == _ENUM_NOT_FOUND ?
_enum::_highestRegular(_specialIndices, _ENUM_SPECIAL_COUNT,
_rawSize - 1) :
_indices.bad;
static_assert(_badIndex != _ENUM_NOT_FOUND,
"_bad not defined and no regular constants in enum type");
static constexpr size_t _lowestValidIndex =
_enum::_lowestValid(_values, _rawSize, _specialIndices,
_ENUM_SPECIAL_COUNT, _values[_badIndex]);
static constexpr size_t _highestValidIndex =
_enum::_highestValid(_values, _specialIndices, _ENUM_SPECIAL_COUNT,
_values[_badIndex], _rawSize - 1);
static_assert(_lowestValidIndex != _ENUM_NOT_FOUND,
"no valid (non-bad) constants in enum type");
static_assert(_highestValidIndex != _ENUM_NOT_FOUND,
"no valid (non-bad) constants in enum type");
static constexpr size_t _defIndex =
_indices.def == _ENUM_NOT_FOUND ? _lowestValidIndex : _indices.def;
static constexpr _enum::_range::_MinMax
_minMax =
_enum::_range::_minMax(_values, _rawSize, _specialIndices,
_ENUM_SPECIAL_COUNT, _values[_badIndex],
_lowestValidIndex + 1, _lowestValidIndex,
_lowestValidIndex);
_enum::_range::_minMax(_values, _rawSize, 1, 0, 0);
static constexpr size_t _minIndex =
_indices.min == _ENUM_NOT_FOUND ? _minMax.min : _indices.min;
static constexpr size_t _maxIndex =
_indices.max == _ENUM_NOT_FOUND ? _minMax.max : _indices.max;
static constexpr size_t _minIndex = _minMax.min;
static constexpr size_t _maxIndex = _minMax.max;
static_assert(_values[_minIndex] <= _values[_maxIndex],
"minimum constant has value greater than maximum constant");
static constexpr size_t _size =
_enum::_range::_size(_values, _rawSize, _specialIndices,
_ENUM_SPECIAL_COUNT, _values[_badIndex],
_values[_minIndex], _values[_maxIndex]);
static constexpr size_t _specialBadIndex = _indices.bad;
static constexpr size_t _specialDefIndex = _indices.def;
static constexpr size_t _specialMinIndex = _indices.min;
static constexpr size_t _specialMaxIndex = _indices.max;
static constexpr bool _isSpecialIndex(size_t index)
{
return
index == _specialBadIndex ? true :
index == _specialDefIndex ? true :
index == _specialMinIndex ? true :
index == _specialMaxIndex ? true :
false;
}
// Clang complains about the comparison with "min" when the underlying type is
// unsigned and "min" is 0. Disable that warning. GCC doesn't even have this
// warning under this name (and does not complain).
#ifdef __clang__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wtautological-compare"
#endif // #ifdef __clang__
static constexpr bool _isIterableIndex(size_t index)
{
return
_isSpecialIndex(index) ? false :
_values[index] == _values[_badIndex] ? false :
_values[index] < _values[_minIndex] ? false :
_values[index] > _values[_maxIndex] ? false :
true;
}
#ifdef __clang__
#pragma GCC diagnostic pop
#endif // #ifdef __clang__
static constexpr size_t _size = _rawSize;
static const char * const *_processedNames;
@ -1096,22 +645,7 @@ class _Internal : public _GeneratedArrays<EnumType> {
return _processedNames[index];
}
return _processedNames[_badIndex];
}
static const char* descE(EnumType value)
{
const char *result = desc(value);
// Note that this is a pointer comparison. Takes deliberate advantage of
// the fact that exactly this pointer is returned by desc() in case of
// failure.
if (result == _processedNames[_badIndex]) {
// TODO Throw an exception here.
return result;
}
else
return result;
throw std::domain_error("Enum::desc: invalid enum value");
}
static EnumType find(const char *name)
@ -1123,19 +657,7 @@ class _Internal : public _GeneratedArrays<EnumType> {
return (EnumType)_values[index];
}
return (EnumType)_values[_badIndex];
}
static EnumType findE(const char *name)
{
EnumType result = find(name);
if (result == (_Value)_values[_badIndex]) {
// TODO Throw an exception here.
return result;
}
else
return result;
throw std::exception();
}
static EnumType caseFind(const char *name)
@ -1147,19 +669,7 @@ class _Internal : public _GeneratedArrays<EnumType> {
return (EnumType)_values[index];
}
return (EnumType)_values[_badIndex];
}
static EnumType caseFindE(const char *name)
{
EnumType result = caseFind(name);
if (result == (_Value)_values[_badIndex]) {
// TODO Throw an exception here.
return result;
}
else
return result;
throw std::exception();
}
// See comment by _isIterableIndex.
@ -1168,6 +678,7 @@ class _Internal : public _GeneratedArrays<EnumType> {
#pragma GCC diagnostic ignored "-Wtautological-compare"
#endif // #ifdef __clang__
// TODO Do a real check here - look it up in the array.
template <typename IntegralType>
static bool valid(IntegralType value)
{
@ -1178,9 +689,7 @@ class _Internal : public _GeneratedArrays<EnumType> {
"argument to EnumType::valid must be signed if and only "
"if underlying type of EnumType is signed");
return value >= _values[_minIndex] &&
value <= _values[_maxIndex] &&
value != _values[_badIndex];
return true;
}
#ifdef __clang__
@ -1189,16 +698,24 @@ class _Internal : public _GeneratedArrays<EnumType> {
static bool valid(const char *name)
{
EnumType value = find(name);
return valid(value.toUnderlying());
try {
find(name);
return true;
}
catch (const std::exception &e) {
return false;
}
}
static bool caseValid(const char *name)
{
EnumType value = caseFind(name);
return valid(value.toUnderlying());
try {
caseFind(name);
return true;
}
catch (const std::exception &e) {
return false;
}
}
public: